QwtCompassWindArrow(3)         Qwt User's Guide         QwtCompassWindArrow(3)

NAME
       QwtCompassWindArrow - An indicator for the wind direction.


SYNOPSIS
       #include <qwt_dial_needle.h>

       Inherits QwtDialNeedle.

   Public Types
       enum Style { Style1, Style2 }
           Style of the arrow.

   Public Member Functions
       QwtCompassWindArrow (Style, const QColor &light=Qt::white, const QColor
           &dark=Qt::gray)

   Protected Member Functions
       virtual void drawNeedle (QPainter *, double length,
           QPalette::ColorGroup) const override

Detailed Description
       An indicator for the wind direction.

       QwtCompassWindArrow shows the direction where the wind comes from.

       o QPalette::Light
          Used for Style1, or the light half of Style2

       o QPalette::Dark
          Used for the dark half of Style2

       See also
           QwtDial, QwtCompass

       Definition at line 164 of file qwt_dial_needle.h.

Member Enumeration Documentation
   enum QwtCompassWindArrow::Style
       Style of the arrow.

       Enumerator

       Style1
              A needle pointing to the center.

       Style2
              A needle pointing to the center.

       Definition at line 168 of file qwt_dial_needle.h.

Constructor & Destructor Documentation
   QwtCompassWindArrow::QwtCompassWindArrow (Style style, const QColor & light
       = Qt::white, const QColor & dark = Qt::gray)
       Constructor

       Parameters
           style Arrow style
           light Light color
           dark Dark color

       Definition at line 409 of file qwt_dial_needle.cpp.

Member Function Documentation
   void QwtCompassWindArrow::drawNeedle (QPainter * painter, double length,
       QPalette::ColorGroup colorGroup) const [override],  [protected],
       [virtual]
       Draw the needle

       Parameters
           painter Painter
           length Length of the needle
           colorGroup Color group, used for painting

       Implements QwtDialNeedle.

       Definition at line 427 of file qwt_dial_needle.cpp.


Author
       Generated automatically by Doxygen for Qwt User's Guide from the source
       code.

Version 6.2.0                   Sun Jul 18 2021         QwtCompassWindArrow(3)